<?php 

$date = $_POST;

$date['create_time'] = time();

$db = include './db.php';

array_push($db, $date);

$str = var_export($db,ture);  //不懂

$str = "<?php return ".$str." ?>";

file_put_contents('./db.php', $str);

header("location:./index.php")








 ?>